Well sorry if I'm getting annoying but I think you face the Unix
world in the wrong manner. Well you expect to find something you are
used to, or something like MS Win you only know. I advise that you
should be more open minded, willing to read and spare time to get
familiar to the Unix
Well I think that you mean to add this:
ext_if="rl0" # Or whatever your interface is ifconfig helps to find out
block drop in quick on $ext_if inet proto tcp from 192.168.0.1 to
$ext_if port ssh
or even:
ext_if="rl0"
external_addr="192.168.1.11"
block drop in quick on $ext_if inet proto tcp f